<template>
  <div class="index-wrap">
    <!-- <h1>123</h1> -->
    <!-- 顶部滑动区域 -->
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
      >
        <div class="mui-scroll">
          <a :class="['mui-control-item',  item.id == 0 ? 'mui-active' : ' ']"  v-for="item in cates"  :key="item.id"   @click="getPhotoLISTBYcataId(item.id)">{{item.title}}</a>
        </div>
      </div>
      <!-- 图片列表区域 - -->
    </div>
      <ul class="photo-list">
     <router-link v-for="item in list" :key="item.id"  :to="'/tupian/photoinit/'  +item.id"  tag="li">
          <img v-lazy="item.img_url" />
          <div class="info">
              <h1 class="info-title">{{item.title}}</h1>
              <div class="info-body">{{item.zhaiyao}}</div>
          </div>
     </router-link>
      </ul>
  </div>
</template>

<script>
import Vue from "vue";
import MintUI from "mint-ui";
import "mint-ui/lib/style.css";
Vue.use(MintUI);
import mui from "@/assets/css/mui/js/mui.min.js";
import { Toast } from "mint-ui";
export default {
  name: "tupian",
  data() {
    return {
      cates: [],
      list: []
    };
  },
  created() {
    this.getAllCategory();
    // 默认进入页面
    this.getPhotoLISTBYcataId(0)
  },
  mounted() {
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },
  methods: {
    getAllCategory() {
      this.$http.get("getimgcategory").then(result => {
        // console.log(result.body)
        if (result.body.status === 0) {
          // 成功了
          Toast("加载图片ok。。。");
          // console.log("chenggong ")
          // 手动拼接列表
          result.body.message.unshift({ title: "全部", id: 0 });
          this.cates = result.body.message;
        } else {
          //  失败了
          // console.log("shibai ")
          Toast("加载图片shibai 。。。");
        }
      });
    },
    getPhotoLISTBYcataId(cateId) {
      this.$http.get("getimages/" + cateId).then(result => {
        // console.log(result.body)
        if (result.body.status === 0) {
          // 成功了
          Toast("加载图片ok。。。");
          // console.log("chenggong ")
          // 手动拼接列表
        //   result.body.message.unshift({ title: "全部", id: 0 });
          this.list= result.body.message;
        } 
      });
    }
  }
};
</script>
<style lang="scss"  scoped>
* {
  touch-action: pan-y;
}
.photo-list{
    list-style: none;
    margin:0;
    padding:10px;
    padding-bottom: 0px;
        li{ 
            background-color:#ccc;
            text-align: center;
            margin-bottom: 10px;
            box-shadow: 0 0 9px  #999;
            position: relative;
            img{ 
                width: 100%;
                vertical-align: middle;
            }
            img[lazy="loading"] {
            width: 40px;
            height: 300px;
            margin: auto;
            }
            .info{
                 color:white;
                 text-align: left;
                 position: absolute;
                 bottom:0px;
                 background:rgb(34, 29, 29);
                 opacity: 0.8;
                 max-height: 84px;
                 .info-title{
                    font-size: 14px;
                 }
                 .info-body{
                  font-size:13px;
                 }
            }
        }
}

</style>
